Device for extracting fluid from saturated material.



No. 859,309- l PATENTED JULY 9l 1907. W. S. MAOHARG. DEVICE FOREXTRACTING FLUID PROM SATURATED MATERIAL.

APPLICATION FILED SEPT. 1B. 1905.

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No. 859,309. PATENTED JULY 9, 1 90'7.

W. S. MACHARG. DEVICE POR EXTRAGTING FLUID FROM SATURATED MATERIAL.

APPLICATION FILED SEPT. 1B. 1905.

3 SHEETS-SHEET 2.-

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w.- s. Mmmm. DEVICE EOE EXTEAG'IING FLUID EEoM SATUEAIED MATERIAL.

APPLICATION FILED SEPT. 18, 1905.

3 SHEETS-SHEET 3.-

I MTW mw/Im UNITED STATES WILLIAM S. MACHARG, OF CHICAGO, ILLINOIS.

DEVICE FOR EXTRACTING FLUID FROM SATURATED IVIA'IIEEtIAL.l

Specification of Letters Patent.

Fatt-interi July 9, 1907.

Application filed September 18. 1905. Serial No. 278,91I.

To all whom it may concern:

Be it known that I, WILLIAM S. lVIAeHaRo,l a citizen of the UnitedStates, residing at Chicago, in the county of Cook and State ofIllinois, have invented a certain new and useful Improvement in Devicesfor Extracting Fluid from Saturated Material, of which the following isa specification.

My invention-relates to devices forextracting iiuids from saturatedmaterial and has for its object, among other things to provide new andimproved constructions in the belts for such devices and the means forfeeding and discharging the material therefrom.

I have illustrated one form of my device with certain modifications inthe accompanying drawings, wherein Figure l is a side elevation of themachine; Fig. 2, a plan view; Fig. 3, across section through one form ofbelt; Fig. 4, an inverted plan view of the same; Fig. 5, a detail of oneofthe reinforcing strips; Fig. 6, a detail plan view of the spreadingand filling device; Fig. 7, a section on line 7-7 of Fig. 6; Figs. 8 and9 are details of the feeding tube; Fig. l0, a plan view of thedischarging device; Fig. ll, a sectional view on line ll-ll of Fig.` l0;Fig. l2, a cross section through a modified form of belt; Fig. 13, asimilar sectional view showing the-belt spread by the filling tube; Fig,14, a plan of the inverted belt and discharging scraper, -and Fig. l5, adetail sectional view of the same on line 15-15 of Fig. I4.

Like letters of reference indicate like parts in all thedrawings.

The purpose of the machine is to extract liquid from saturated materialby confining such material between the folds or sections of an endlessporous belt or the like, such belt being run over a series of pulleysand kept tense by appropriate mechanism.

In Athe particular machine here shown, A A represents the frame worksupporting a driving wheell B which may be driven from any preferredsourceof power and which is journaled in bearings B1 on the frame workand is preferably provided with the flanges B`2 B2.

Forward of the wheel B is the wheel O having flanges C1 O1 and rigid onthe shaft C2 which turns in a yoke C3 and has at its extremities rollersC4 C4 which form movable bearings for such shaft inv channel irons C5 C5forming a forward extension of the frame work A. On the' yoke O3 is thering C'i to which is attached a wire rope or the like C7, extending overa pulley CS turning on an axle C at the outer extremities of the channelirons. The end of the rope C7 carries the counter-weight C1".

Beneath the wheel B is a wheel D also having flanges as shown at D, andjournaled in bearings D2 on the frame work. Between wheels B and O ispreferably placed the flanged roller E tin-ning in bearings E1 El, andbetween the wheels O and D, another similar roller F mounted in likemanner. The belt, whatever form may be desirable to use, extends aroundthe wheel B, then over C, around D, over F and then E to B. Thecounter-weight will keep the belt taut. It will, of course, be obviousthat the number of wheels, rollers, and the like might be multipliedindefinitely, or that some of those shown might be dispensed withaccording to the varying conditions niet with in the material for whichthe particular machine is constructed.

The belt used may differ considerably in construc tion. In Figs. 3 and 4I have shownone construction where a strip of webbing, indicatedgenerally by the letter G, is folded so as to have a bottom section G1and two upper sections G2, G3 preferably of equal `width and the oneoverlapping the other as shown.

Of course the belt might be made of three separate pieces and stitchedtogether at these places. In order to keep the belt in shape, Ipreferably make the same with the seams G4 G4 which stitch down thesections G2, G3 onto the bottom section G1. In order tocounteract thetendency of the belt to string, I prefer to construct it withmetalstrips G5 G5 placed at intervals along the bottom part G1. Thesere-inforcing pieces are preferably made of hard brass Wire with the endsturned over, as shown at Gi GG in Fig. f4, and run into the fabric andsewed thereto at each end. This method of re-inforcement is not,however, essential'to my invention and might in some instances bedispensed with.

The belt is preferably put on the wheels so that theY part between thewheel B and the roller E will have the folds G2, G3 on top and at thispoint I prefer to feedz the material into the belt. With this end inview, the machine is provided with a stretching and feeding mechanismwhich may be located on the beam of the frame work A which supports thewheel B and the roller E. These devices are shown in detail in Figs. (ito 9 inclusive. l

H represents a strip of metal forming what I will term a spreader,extending transversely of the belt, bowed up at H1 so as to engage andlift the fold G3 then turned at a sharp angle backward upon itself andbowed downward at I-I2 so as to distend the section G1 of the belt, thenturned upon itself again and bent inward at H3 so as to hold the sectionG2 of the belt somewhat above the middle section so as to leave a spaceH'4 between it and the part H1 of the spreader. The spreader has theaperture H5 in the top part thereof through. which extends the feedingtube or spout .l which is curved at J" so as to extend around the edgeof the belt section G2 and the part H3 of the spreader, and thus deliverthe material approximately on the center of the middle section G of thebelt at the place where it is depressedby the spreader. Preferably Imake the discharge end of the spout flattened and extended, as shown atJ2 in Figs/,8 and 9, in order to facilitate the feeding process.

It Will be obvious that the section of the belt between the wheel D andthe roller F will be inverted, that is to say, with the folds downward,At this or any other convenient place, the material may be dischargedfrom the belt. lo accomplish this` the belt may be again spread, and Iprefer to use a device similar to the spreader just above described,which, however, will of course, have to be inverted. It may consist of astrip of metal K having the bowed sections K1 and K2 from the former ofwhich depends the oblique partition or scraper K2 whence the deflectorK, placed at a different angle. on the part K2, deflects the materialthrough an aperture K5 into a chute K6 leading away from the apparatus.The deflector K4 has preferably the en largement K7 to fill the cornerof the spacer beyond the section Gr2 of the belt, thus preventing any ofthe material from being crowded back between the folds of the belt. Y

In Figs. 12 to l5 inclusive, I have shown another form of belt anddifferent feeding and discharging devices to be used in connectiontherewith. This belt, indicated generally by the letter L, consists of alower section L1 and an upper section L2, the two sections being madeseparately and secured together, or by folding a single piece ofwebbing. In order to keep the belt in shape, I run the seam L3 along thecommon edges of the two sections and provide the outer edges of one orboth of these sections with cords L4, which may be continuous or insections. The purpose of these cords is to make the edges of the beltmore tense than its cen ter portion, and, therefore, to keep the edge ofone fold pressed upon the other. The thickening the belt by cords or inany other suitable way brings this about although it is obvious that theresult could be accomplished otherwise than as described; but this Iconsider an eflicient means to that end. Preferably the upper section L2is a t-rifle narrower than the lower section so that it is drawn upagainst the edge of the upper section, confining the material betweenthe sections in a sort of pocket. I have shown the belt reinforced bymetal strips Gr5 similar to the strips G5 the other belt,rbut thesereinforcements may, of course, be dispensed with.

The spreading and scraping devices may be considerably simplified whenthe belt last described is used.

It is only necessary to prop up the section L2 and this may be done byextending a suitably formed filling tube M in' between the two sectionsof the belt. In order to discharge the material, the inner surfacesofthe belt are scraped by the obliquely placed spreader and scraper \l.

I have thus described one form of my apparatus together with certainmodifications, but it will be obvious that there might be considerablechange made in form and construction Without departing from the broadspirit of `my invention. Therefore, I do not wish to limit myself to theparticular devices and arrangements here shownfbut desire that thedrawings should be taken as in a sense diagrammatic, althoughillustrating one of the practical and workable forms of aphave describedthe means for conveying the material and extracting its liquids as abelt, but this term I have intended to be understood broadly to includeany fieXible means for holding and compressing material where thecompression is accomplished chiefly through the agency of the tension ofthe containing means rather than, for example, by the positive forcingtogether of the material between relatively rigid bodies.

The use and operation of my machine will perhaps have been madesufficiently obvious by the foregoing. The saturated material is fed inbetween the folds or sections ot' the belt, preferably while these areright side up, the belt then being run over a plurality of wheels at atension maintained by the counter- Weight C10. The belt is preferably ofporous material such as canvas webbing As a result, the moisture fromthe material is squeezed out through the fabric or between its folds sothat when it has been carried around to the discharge chute, it isdelivered in a substantially dry condition. It will be observed that thesections or folds of the belt are always maintained in.

the same relation to each other, being merely lifted in order to admitand discharge the material. They do not have to be folded or unfolded.If the belt designated by the letter L is used, this manner of feedingand discharging the material is particularly simple. Except when spreadopen, however, the belt will firmly hold the material between its foldsor sections so that escape is impossible.v

I claim:

1. In a machine for extracting fluid from material, the combination of awheel like structure with a belt to travel over the same, said beltformed of a plurality of longitudinal sections connected together' andnormally lying one upon another so as tov constitute an inclosed pocket,

means for maintaining the tension of the belt, means for spreading thesections apart so as to make a passage-way into the inclosed portion anda feedingl device associatedwith the spreader.

2. In a machine for extracting fluid from material, the combination of awheel like structure with a belt to travel over the same said beltformed of a plurality of longitudinal sections connected together' andnormally lying one upon another so as to constitute an inclosed pocket,means for maintaining' the tension of the belt, and a spreading andfeeding device for inserting the material to be treated between suchsuperimposed sections. l

3. In a machine tor extractingl fluid from material, the combination ofa wheel like structure with a belt to travel over the same said beltformed of a plurality of longitudinal sections connected together andnormally lying one upon another so as to constitute an inclosed pocket,means for maintainingl the tension ot' the belt, and a spreading andfeeding device comprising a filling tube for inserting the material tobe treated between such superimposed sections.

a. In a machine for extracting fiuid from material, the combination ol'a wheel like structure with a belt to travel over the same said beltformed of a plurality of longitudinatsectious connected together andnormally lying one upon another so as to constitute an inclosed pocket,means for maintaining thetension of the belt, and a spreading andfeeding device comprising a filling tube adapted to extend between suchsections.

In a machine for extracting fiuid from material, the combination of awheel like structure\vith a belt to travel over the same said beltformed of a plurality of longltu dinal sections connected together andnormally lying one upon another so as to constitute an inclosed pocket,means interposed between such sections for maintaining the tension ofthe belt, and means for discharging the material treated from betweensuch sections.

G. In a machine for extracting fluid from material, the

combination of a wheel like structure with a beltto travel over the samesaid belt formed of a plurality of longitudinal sections connectedtogether and normally lying one upon another so as to constitute aninclosed pocket. means for maintaining the tension ot' the belt, andmeans interposed between said sections for discharging the materialtreated from between such sections comprising a scraping device. A

T. In a machine for extracting liuid from material, the combination ot'a wheel like structure with a ,belt to travel over the same comprising aplurality of sections lying one upon another so as to inclose thematerial treated, means for maintaining the tension of the belt, andmeans for discharging the material from such belt, such means comprisinga scraping,y device adapted to extend between the s'ections ot' suchbelt and into such inclosed portion.

S. ln a machine for extracting fluid from material, the combination ot'a plurality of wheel like structures, a belt to travel over the samesaid belt formed of a plurality of longitudinal sections connectedtogether and normally lying one upon another so as to constitute aninclosed pocket, and means interposed between said sections intermediatesuch wheel like structures for inserting the material between thesections of the belt.

9. In a machine for extracting iiuid from material, the combination of aplurality of wheel like structures with a belt to travel over the samesaid belt formed of a plurality of longitudinal sections connectedtogether and normally lying one upon another so as to constitute aninclosed pocket, and means intermediate such wheel like structures fordischarging the material from between the sections of the belt withoutunfolding the belt.

10. In a machine for extracting duid from material, the combination of aplurality of wheel like structures with an endless belt comprising alower section upon which the material is received, and at least onesuperimposed upper section connected with the lower section so as toform a normally closed pocket adapted to hold the material, and meansinterposed between said sections for delivering the material into thepocket between such superimposed sections.

11. In a machine for extracting fluid from material, the combination ofa plurality of wheel like structures with an endless belt comprising alower section upon which the material is received, and at least onesuperimposed upper section connected with the lower section so as toform a normally closed pocket adapted to hold the material in place.means interposed between said sections for delivering the material intothe pocket between such superimposed sections, and means for dischargingthe material from such belt when the parts are in their invertedposition without unfolding the belt.

12. In a machine for extracting fluid from material, the combination o1a plurality of wheel like structures revoluble in the same planes, witha belt to travel over the same said belt formed of a plurality oflongitudinal sections connected together and normally lying one uponanother' so as to constitute an inclosed pocket, means interposedbetween said sections for feeding the material so as to becarriedbetween such sections lying one upon another, and means fordischarging it therefrom.

13. In a machine for extracting uid from material, the combination of aplurality of wheel like structures, with a belt formed of a plurality oflongitudinal sections con nected together and normally lying one uponanother t0 constitute an inclosed pocket, means interposed between saidsections for feeding the material onto such belts so as to be heldbetween such sections, one of such Wheel like devices being movablymounted, and a tension device associated therewith to maintain thetension of such belt.

14. In a machine for extracting duid from material, the combination of aplurality of Wheel like structures, with a belt comprising av pluralityof sections lying one upon another, a tension device, a'nd meansassociated with such belt for preventing the same from sti-inging.

l5. In a machine for extracting fluids from material, a belt comprisinga plurality of longitudinal sections connected together' and normallylying one upon another to constitute an inclosed pocket to contain thematerials treated, said belt having seams along its outer edges bindingthe upper folds to the lower fold.

1G. In a machine for extracting fluid from material, a belt comprising aplurality of sections lying normally one upon another so as to form asingle folded structure to inclose the material treated, and transversere-inforcing devices to prevent the belt from string-ing.

17, In a machine for extracting iuid from material, a belt comprising aplurality of sections lying normally one upon another so as to form asingle folded structure to inclose the material treated, and transversereinforcing devices comprising metallic strips secured in the fabric ofsuch belt.

1S. In a machine for extracting uid from material, a belt comprising abottom section and at least one upper section7 and reinforcing meanscomprising metallic strips run through the fabric of such lower section,and having off sets near the edges of such section.

19. In a machine for extracting duid from material, a belt comprising abottom section with an upper section folded over the bottom section, andmeans for making at least one of the edges of such belt more tense thanthe rest of the belt.

20. In a machine for extracting fluid from material, a

belt comprising a bottom section, with an upper section folded over thebottom section, the free edge of the upper section being substantiallythickened relative to the body of such belt.

21. In a machine for extracting iiud from material, a belt comprising abottom section with an upper section folded over the bottom section,such upper section of less width and having its free edge substantiallythickened relative to the main body of the belt.

WILLIAM S. INIACHARG.

Witnesses Pnncrvnn W. TRUMAN, Homan L. KRAFT.

